# with explicit close

close(1)                                = 0
open("/tmp/stdout.log", O_RDWR|O_CREAT|O_TRUNC, 0666) = 1
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff2ba69a30) = -1 ENOTTY (Inappropriate ioctl for device)
lseek(1, 0, SEEK_CUR)                   = 0
fstat(1, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
fcntl(1, F_SETFD, 0)                    = 0

# without explicit close

open("/tmp/stdout.log", O_RDWR|O_CREAT|O_TRUNC, 0666) = 4
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff023c1390) = -1 ENOTTY (Inappropriate ioctl for device)
lseek(4, 0, SEEK_CUR)                   = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
dup2(4, 1)                              = 1
close(4)                                = 0
fcntl(1, F_SETFD, 0)                    = 0